| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Yihan Chemical Co., Ltd. | China national standards | MT | 395.77 | USD | 20251205 |
| Changzhou Yihan Chemical Co., Ltd. | China national standards | MT | 395.77 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 353.36 | USD | 20251205 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 353.36 | USD | 20251205 |
| China national standards | MT | 354.78 | USD | 20251205 | |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 381.63 | USD | 20251205 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 381.63 | USD | 20251205 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 353.36 | USD | 20251205 |
| Tianjin Shengtongtai Chemical Co., Ltd. | China national standards | MT | 353.36 | USD | 20251205 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 395.77 | USD | 20251205 |